♤ Bud-flowerer, mauve (H2); VIII-XI; foliage dark green; habit erect; height 25cm, spread 40cm.
Wild-collected; found on Ginkelse Heide near Arnhem, Netherlands, by Dr Ir T. Visser (Wageningen, Netherlands); introduced by W. Haalboom & Zonen (Driebergen, Netherlands) by 1972.
Named after Dr Visser’s daughter.
